<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- CSS only -->
    <link
      rel="stylesheet"
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css"
    />
    <style>
      .red {
        color: red !important;
      }

      .search {
        width: 300px;
        margin: 20px 0;
      }

      .my-form {
        display: flex;
        margin: 20px 0;
      }

      .my-form input {
        flex: 1;
        margin-right: 20px;
      }

      .table > :not(:first-child) {
        border-top: none;
      }

      .contain {
        display: flex;
        padding: 10px;
      }

      .list-box {
        flex: 1;
        padding: 0 30px;
      }

      .list-box a {
        text-decoration: none;
      }

      .echarts-box {
        width: 600px;
        height: 400px;
        padding: 30px;
        margin: 0 auto;
        border: 1px solid #ccc;
      }

      tfoot {
        font-weight: bold;
      }

      @media screen and (max-width: 1000px) {
        .contain {
          flex-wrap: wrap;
        }

        .list-box {
          width: 100%;
        }

        .echarts-box {
          margin-top: 30px;
        }
      }
    </style>
  </head>

  <body>
    <div id="app">
      <div class="contain">
        <!-- 左侧列表 -->
        <div class="list-box">
          <!-- 添加资产 -->
          <form class="my-form">
            <input
              v-model.trim="billObj.name"
              type="text"
              class="form-control"
              placeholder="消费名称"
            />
            <input
              v-model.number="billObj.price"
              type="text"
              class="form-control"
              placeholder="消费价格"
            />
            <button @click="addBill" type="button" class="btn btn-primary">
              添加账单
            </button>
          </form>

          <table class="table table-hover">
            <thead>
              <tr>
                <th>编号</th>
                <th>消费名称</th>
                <th>消费价格</th>
                <th>操作</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="(item, index) in list" :key="item.id">
                <td>{{ index + 1 }}</td>
                <td>{{ item.name }}</td>
                <td :class="{red: item.price >= 500}">{{item.price}}.00</td>
                <td>
                  <a href="javascript:;" @click="delBill(item.id)">删除</a>
                </td>
              </tr>
            </tbody>
            <tfoot>
              <tr>
                <td colspan="4">消费总计： {{total}}.00</td>
              </tr>
            </tfoot>
          </table>
        </div>

        <!-- 右侧图表 -->
        <div class="echarts-box" id="main"></div>
      </div>
    </div>
    <script src="./../js/echarts.min.js"></script>
    <script src="./../js/vue.js"></script>
    <script src="./../js/axios.min.js"></script>
    <script>
      /**
       * 接口文档地址：
       * https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058
       *
       * 功能需求：
       * 1. 基本渲染
       * 2. 添加功能
       * 3. 删除功能
       * 4. 饼图渲染
       */
      const app = new Vue({
        el: "#app",
        data: {
          list: [],
          billObj: {
            name: "",
            price: "",
            creator: "刘德华",
          },
        },
        computed: {
          total() {
            return this.list.reduce((sum, item) => sum + item.price, 0);
          },
        },
        async created() {
          this.getBill();
        },
        mounted() {
          // 基于准备好的dom，初始化echarts实例
          this.myChart = echarts.init(document.getElementById("main"));
          // 指定图表的配置项和数据
          const option = {
            title: {
              text: "小黑记账清单",
              left: "center",
            },
            tooltip: {
              trigger: "item",
            },
            legend: {
              orient: "vertical",
              left: "left",
            },
            series: [
              {
                name: "小黑记账清单",
                type: "pie",
                radius: "50%",
                data: [],
                emphasis: {
                  itemStyle: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: "rgba(0, 0, 0, 0.5)",
                  },
                },
              },
            ],
          };
          // 使用刚指定的配置项和数据显示图表。
          this.myChart.setOption(option);
        },
        methods: {
          // 1. 添加账单
          async addBill() {
            // 1.1 校验数据
            if (this.billObj.name === "") {
              alert("请输入物品的名称");
              return;
            }
            if (
              typeof this.billObj.price !== "number" ||
              this.billObj.price <= 0
            ) {
              alert("请输入正确的价格");
              return;
            }
            // 1.2 调用添加账单接口
            await axios.post(
              "https://applet-base-api-t.itheima.net/bill",
              this.billObj
            );
            // 1.3 重新获取表格数据
            this.getBill();
            // 1.4 重置输入框内容
            this.billObj.name = "";
            this.billObj.price = "";
          },

          // 2. 获取表单数据
          async getBill() {
            const res = await axios.get(
              "https://applet-base-api-t.itheima.net/bill",
              {
                params: {
                  creator: "刘德华",
                },
              }
            );
            // console.log(res.data.data);
            this.list = res.data.data;

            // 给饼状图设置数据
            this.myChart.setOption({
              series: [
                {
                  data: this.list.map((item) => {
                    return { name: item.name, value: item.price };
                  }),
                },
              ],
            });
          },

          // 3. 根据id删除账单
          async delBill(id) {
            // 3.1 调用删除接口
            await axios.delete(
              `https://applet-base-api-t.itheima.net/bill/${id}`
            );

            // 3.2 重新渲染数据
            this.getBill();
          },
        },
      });
    </script>
  </body>
</html>
